The scenario is written by Kinoko Nasu and Hikaru Sakurai, character design is by Arco Wada, and development is by Marvelous. They decided to forgo a title like "EXTRA3" for the work.

XSEED Games announced on 7 June 2016 that they will localize the game in North America as Fate/Extella: The Umbral Star in Winter 2016.[2] A subsequent announcement added a Noble Phantasm Edition LE, while pushing the launch window back to 2017.[3]

A limited number of themed PlayStation 4 and PlayStation Vita models will be made available from the Sony Store in Japan.[4]